Home / 460,825.46-691,172.58-145,241.36

Finding the Fourth Proportional to 460,825.46, 691,172.58 and 145,241.36

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Solution

The fourth proportional to 460,825.46, 691,172.58 and 145,241.36 is: 217,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,825.46 : 691,172.58 = 145,241.36 : x
  2. Step 2: Convert to fraction form
    460,825.46/691,172.58 = 145,241.36/x
  3. Step 3: Cross multiply
    460,825.46x = 691,172.58 × 145,241.36
  4. Step 4: Simplify right side
    460,825.46x = 100,386,845,513.91
  5. Step 5: Solve for x
    x = 100,386,845,513.91/460,825.46
  6. Step 6: Final answer
    x = 217,841.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.